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Old January 23, 2012, 09:42 AM   #3
Jim Watson
Senior Member
Join Date: October 25, 2001
Location: Alabama
Posts: 14,112
I don't know if it is necessarily RIGHT but my practice is to test fire at one round per minute for five or not over ten shots, then let the barrel cool. Which is why I normally take two rifles to alternate. That and the time taken to change targets, either measure groups or write load data on the targets, etc, keeps the barrel cool enough for me.
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